USBConnectionEvent: device property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Note: This feature is available in Web Workers.

The device read-only property of the USBConnectionEvent interface returns a USBDevice object representing the device being connected or disconnected.

Value

A USBDevice object.

Examples

Connecting a USB device fires the connect event. The current USBDevice is returned by calling event.device.

js
navigator.usb.addEventListener("connect", (event) => {
  console.log(event.device);
});

Specifications

Specification
WebUSB API
# dom-usbconnectionevent-device

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
device
Experimental

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.